Utopia Kitchen Glass Food Storage Container Set - Blue - 18 Pieces Set (9 Containers and 9 Lids) Reusable Multipurpose Use for Home Kitchen or Restaurant - BPA Free Pack includes an 18 piece set (9 containers and 9 lids) of clear, reusable and extremely durable containers made of highly durable borosilicate glass with polypropylene (PP) lids, sizes of which are mentioned in the description below Easy open-and-close four-latch polypropylene lid for a strong leak proof, airtight and watertight seal, keeping delicate foods fresh and contained; these containers are also the best choice for keeping snacks handy and fresh while on the go, and also makes for excellent party buffet bowls They are also oven safe (up to 400) and freezer safe which makes them ideal for cooking in ovens and most suitable for long term food storage, allowing you to make batches of homemade food and store them for freshness Airtight and leak proof containers They are easy to use and easy to clean; simply put them in a dishwasher or just rinse them under water with a gentle hand wash